Bugfix for always raising a RuntimeWarning in fill_holes_within_poly().

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

HISTORY.rst

@@ -11,6 +11,7 @@ History
 * Added Test_mapXY2imXY(), Test_imXY2mapXY(), Test_pixelToLatLon(), Test_latLonToPixel().
 * Removed GDAL dataset input parameters from some functions.
 * Revised code style and some docstrings. Added some typehints.
+* Bugfix for always raising a RuntimeWarning in fill_holes_within_poly().
 
 
 0.16.1 (2020-11-03)

py_tools_ds/geo/vector/topology.py

@@ -198,7 +198,7 @@ def fill_holes_within_poly(poly):
             GDF_row.geometry.equals(largest_poly_filled),
             axis=1)
 
-        if False in gdf.within_or_equal:
+        if False in gdf.within_or_equal.values:
             n_disjunct_polys = int(np.sum(~gdf.within_or_equal))
             warnings.warn(RuntimeWarning('The given MultiPolygon contains %d disjunct polygone(s) outside of the '
                                          'largest polygone. fill_holes_within_poly() will only return the largest '